Question 1:

Which part of a plant is grafted onto a stock that is rooted?

1. Root
2. Scion
3. Stem
4. Leaf

Question 2:

Which are the pioneer species in aquatic habitats?

1. Fungi
2. Algae
3. Bryophytes
4. Lichens

Question 3:

How many heartbeats does a person have in 1 minute on average?

1. 50
2. 72
3. 100
4. 120

Question 4:

What is the role of heme in hemoglobin?

1. Transport of oxygen
2. Transport of carbon dioxide
3. Structural stability
4. Enzyme activity

Question 5:

How much ATP is produced by aerobic respiration?

1. 2 ATP
2. 32 ATP
3. 36 ATP
4. 38 ATP

Question 6:

Statement 1: Avery, McLeod, and McCarty discovered the semi-conservative nature of DNA.

Statement 2: Meselson and Stahl used E. coli to demonstrate the semi-conservative na- ture of DNA.

1. Statement 1 is correct, Statement 2 is incorrect
2. Statement 2 is correct, Statement 1 is incorrect
3. Both statements are correct
4. Both statements are incorrect

Question 7:

A Thermal Cycler/Stabilizer is used for ____?

1. Maintaining temperature
2. DNA amplification (PCR)
3. Protein synthesis
4. RNA transcription

Question 8:

What are some archaeological sites where Neanderthal remains and artifacts have been discovered?

1. Lascaux Cave, France
2. Altamira Cave, Spain
3. Shanidar Cave, Iraq
4. All of the above

Question 9:

Which hormone is used to increase the size of fruit?

1. Auxin
2. Gibberellin
3. Cytokinin
4. Ethylene

Question 10:

____ can't be further hydrolyzed.

1. Polysaccharides
2. Disaccharides
3. Monosaccharides
4. Oligosaccharides

Question 11:

Which of the following uses plasma membrane for respiration?

1. Prokaryotes
2. Eukaryotes
3. Viruses
4. Fungi

Question 12:

0.16 seconds is a time interval for which event in the ECG system?

1. P wave
2. QRS complex
3. PR interval
4. T wave

Question 13:

Which hormone is used to increase the size of fruit?

1. Auxin
2. Gibberellin
3. Cytokinin
4. Ethylene

Question 14:

Which of the following is NOT a layer of the urinary bladder?

1. Mucosa
2. Submucosa
3. Epidermis
4. Muscularis

Question 15:

What is the fundamental frequency of an open organ pipe with length L and speed of sound v?

1. V/2L
2. V/L
3. 2V/L
4. V/L/2

Question 16:

What is the angular frequency w of a simple harmonic oscillator with mass m and spring constant k?

1. √(k/m)
2. √(m/k)
3. k/m
4. m/k

Question 17:

Rate of cooling of a body is 0.2°C/min when excess temperature is 20°C. The propor- tionality constant k is:

1. 0.005 min^-1
2. 0.01 min ^-1
3. 0.05 min^-1
4. 0.2 min^-1

Question 18:

A wheel of diameter 20 cm is rotating at 600 rpm. The linear velocity of a particle at its rim is:

1. 6.28 m/s
2. 12.56 m/s
3. 18.84 m/s
4. 3.14 m/s

Also Check:

MHT CET Previous Year Question Papers

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